ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0052 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
REVERSE OSMOSIS SYSTEM
PUMP CASING GASKET
PUMP DISCHARGE FLANGE
PUMP COVER
PIPE
CAP SCREW
DRAIN VALVE V-211
STREET ELBOW
HOSE
PIPE
HOSE CLAMP
Figure 24. Pump Installation.
9. Install the RO Feed Pump P-4 Assembly onto the TWPS skid. Refer to REPLACE and RO Feed
Pump P-4 Pump/ Motor Assembly Replacement.
10. Place the MF Feed Pump back into service and inspect it for leaks.
Pressure Recovery Turbocharger PRT-1 Repair:
Parts (TM 10-4610-309-24P):
Kit, turbocharger repair
Materials:
Glycerin (BII) (WP 0079, Table 1, item 14)
Clean, dry rags (WP 0079, Table 1, item 23)
Equipment Condition:
TWPS in Standby Shutdown With Drain-Down
Army: Generator off and TWPS main breaker off
Marine Corps: TWPS disconnected from power source
Turbocharger repair consists of disassembling and inspecting the unit, and replacing worn or damaged
parts. Repair the turbocharger as follows:
1. Make sure the TWPS is in Standby Shutdown With Drain-Down.
2. Remove the turbocharger from the TWPS and from its base plate. Refer to REPLACE and
Pressure Recovery Turbocharger PRT-1.
3. Disassemble the turbocharger as follows (see Figure 25):
a. Remove the thrust line assembly and straight adapters.
b. Remove the pump and turbine end caps (4 cap screws).
c. Remove and discard the cap O-rings.
NOTE
It may be necessary to remove the plug as indicated in Figure 25 and insert a thin
screwdriver or other tool into the hole to keep the impeller from turning while you
remove the retaining screw.
d. Remove the pump impeller retaining screw and washer.
e. Remove the pump impeller and impeller key by gently tapping on the end of the
threaded turbine impeller shaft.
f. Remove the turbine impeller/shaft assembly.
0052 00-30
